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        <ol class="toc"><li class="toc-item toc-level-1"><a class="toc-link" href="#%E8%A7%A3%E5%86%B3plsql%E4%B8%AD%E6%96%87%E6%98%BE%E7%A4%BA%E9%97%AE%E5%8F%B7%EF%BC%88%EF%BC%9F%EF%BC%9F%EF%BC%9F%EF%BC%89%E9%97%AE%E9%A2%98"><span class="toc-text">解决plsql中文显示问号（？？？）问题</span></a><ol class="toc-child"><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%8E%9F%E5%9B%A0"><span class="toc-text">原因</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%A4%84%E7%90%86%E6%96%B9%E6%B3%95"><span class="toc-text">处理方法</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#%E6%AD%A5%E9%AA%A4%E4%B8%80"><span class="toc-text">步骤一</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E6%AD%A5%E9%AA%A4%E4%BA%8C"><span class="toc-text">步骤二</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E6%AD%A5%E9%AA%A4%E4%B8%89"><span class="toc-text">步骤三</span></a></li></ol></li></ol></li><li class="toc-item toc-level-1"><a class="toc-link" href="#%E8%81%94%E7%B3%BB%E4%BD%9C%E8%80%85"><span class="toc-text">联系作者</span></a><ol class="toc-child"><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%BE%AE%E4%BF%A1%E5%85%AC%E4%BC%97%E5%8F%B7"><span class="toc-text">微信公众号</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#QQ%E7%BE%A4"><span class="toc-text">QQ群</span></a></li></ol></li></ol>
    
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        <h1 id="解决plsql中文显示问号（？？？）问题"><a href="#解决plsql中文显示问号（？？？）问题" class="headerlink" title="解决plsql中文显示问号（？？？）问题"></a>解决plsql中文显示问号（？？？）问题</h1><h2 id="原因"><a href="#原因" class="headerlink" title="原因"></a>原因</h2><p>本机没有配置数据库字符集环境变量，或是与数据库字符集不一致。</p>
<h2 id="处理方法"><a href="#处理方法" class="headerlink" title="处理方法"></a>处理方法</h2><h3 id="步骤一"><a href="#步骤一" class="headerlink" title="步骤一"></a>步骤一</h3><p>执行在plsql中执行 select userenv(‘language’) from dual; 语句来查看本机的字符集</p>
<h3 id="步骤二"><a href="#步骤二" class="headerlink" title="步骤二"></a>步骤二</h3><p>在环境变量中添加两条配置信息，鼠标右键我的电脑（计算机&#x2F;此电脑）等图标，选择属性，选择高级系统设置，选择高级选项卡的环境变量，在系统变量里新建两条配置：  </p>
<p>1、LANG&#x3D;zh_CN.GBK（GBK是这样形式的，不同编码这里的value值需要跟着改变）  </p>
<p>2、NLS_LANG&#x3D;AMERICAN_AMERICA.ZHS16GBK（这个value值就是我们步骤一中拼接好的那个值）  </p>
<h3 id="步骤三"><a href="#步骤三" class="headerlink" title="步骤三"></a>步骤三</h3><p>这步也是至关重要的，到这里我们就配置好了，重启plsql或重启电脑 生效。</p>
<h1 id="联系作者"><a href="#联系作者" class="headerlink" title="联系作者"></a>联系作者</h1><h2 id="微信公众号"><a href="#微信公众号" class="headerlink" title="微信公众号"></a>微信公众号</h2><p>xiaomingxiaola<br>（BossLiu）</p>
<h2 id="QQ群"><a href="#QQ群" class="headerlink" title="QQ群"></a>QQ群</h2><p>58726094</p>

      
       <hr><span style="font-style: italic;color: gray;"> 转载请注明来源，欢迎对文章中的引用来源进行考证，欢迎指出任何有错误或不够清晰的表达。可以在下面评论区评论，也可以邮件至 384276224@qq.com </span>
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